Modeling, design, and fabrication of high-speed electro-optic modulators

Shouyuan Shi; Changjun Huang; Rownak Shireen; Christopher Schuetz; Kierthi Swaminathan; Dennis W. Prather

doi:10.1117/12.630902

7 November 2005 Modeling, design, and fabrication of high-speed electro-optic modulators for MMW imaging

Shouyuan Shi, Changjun Huang, Rownak Shireen, Christopher Schuetz, Kierthi Swaminathan, Dennis W. Prather

Proceedings Volume 5989, Technologies for Optical Countermeasures II; Femtosecond Phenomena II; and Passive Millimetre-Wave and Terahertz Imaging II; 598919 (2005) https://doi.org/10.1117/12.630902
Event: European Symposium on Optics and Photonics for Defence and Security, 2005, Bruges, Belgium

Abstract

In this paper we present the modeling, design and fabrication of high-speed photonic modulators for use at high GHz, namely millimeter wave (MMW), frequencies based on the electro-optic materials, such as LiNbO₃. To accurately design the traveling wave MMW modulators rigorous EM numerical tools are used to determine the propagation characteristics of both the optical and MMW waveguides. Extensive studies have been made to achieve an optimal design, which includes a close refractive index match between optical and MMW wave and a reduction of MMW propagation loss. The designed devices have been fabricated and tested with a modulation up to 135GHz.

Citation Download Citation

Shouyuan Shi, Changjun Huang, Rownak Shireen, Christopher Schuetz, Kierthi Swaminathan, and Dennis W. Prather "Modeling, design, and fabrication of high-speed electro-optic modulators for MMW imaging", Proc. SPIE 5989, Technologies for Optical Countermeasures II; Femtosecond Phenomena II; and Passive Millimetre-Wave and Terahertz Imaging II, 598919 (7 November 2005); https://doi.org/10.1117/12.630902

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KEYWORDS

Extremely high frequency

Modulators

Electrodes

Waveguides

Refractive index

Wave propagation

Electro optical modeling

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